Finding the Fourth Proportional to 1,680,470.68, 2,319,248.82 and 955,427.80
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Solution
The fourth proportional to 1,680,470.68, 2,319,248.82 and 955,427.80 is: 1,318,603.67
Step by Step Solution
- Step 1: Write the proportion equation
1,680,470.68 : 2,319,248.82 = 955,427.80 : x - Step 2: Convert to fraction form
1,680,470.68/2,319,248.82 = 955,427.80/x - Step 3: Cross multiply
1,680,470.68x = 2,319,248.82 × 955,427.80 - Step 4: Simplify right side
1,680,470.68x = 2,215,874,797,745.20 - Step 5: Solve for x
x = 2,215,874,797,745.20/1,680,470.68 - Step 6: Final answer
x = 1,318,603.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.